"Skill Levels: ESLEFL Tests" is an education and reference application designed to evaluate English language proficiency and categorize skills into elementary, intermediate, or advanced levels. This app offers a comprehensive approach to enhancing English skills and supporting language learning progression.

Featuring five distinct test types, including English Grammar Exercises, ESL Business English Tests, English Synonym Worksheets, Idiomatic Expressions in English, and Common Errors in English Usage, this program aims to improve language proficiency in various aspects. Each test comprises ten questions with multiple-choice answers or error identification tasks, followed by an evaluation of your performance to track progress and encourage improvement.